Push switch



FIG. 1 is a top, front, and right side perspective view of a push switch showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof; and,

FIG. 5 is a bottom view thereof.

The dashed broken lines illustrate portions of the push switch that form no part of the claimed design. The dot-dashed broken lines depict the bounds of the claim and form no part thereof. 

CLAIM The ornamental design for a push switch, as shown and described. 